Patents by Inventor Albert B. Mindler

Albert B. Mindler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Selenium removal methods
    Patent number: 6090290
    Abstract: A method for removing selenium from waste water is disclosed comprising reducing selenium oxide with carbohydrazide in a solution comprised of the selenium oxide to form elemental selenium.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: July 18, 2000
    Assignee: Xerox Corporation
    Inventors: Donald J. Goodman, Raymond E. Kerollis, Albert B. Mindler, Bruce Bruns
  • Electrolytic reduction of nitrate from solutions of alkali metal hydroxides contaminated by oxidizing transition metal ions
    Patent number: 4632737
    Abstract: Alkali metal hydroxide solutions containing substantial amounts of nitrate and nitrite which are contaminated by chromate are electrolytically converted to the corresponding hydroxides. The interference of the chromate with the normal electrolytic process is voided by adding bismuth ion to the solution and reversing the current direction at predetermined intervals.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: December 30, 1986
    Assignee: International Hydronics Corporation
    Inventor: Albert B. Mindler
  • High velocity composite strainer
    Patent number: 4162975
    Abstract: There is provided a composite strainer unit suitable for use with particulate substances in a liquid environment comprising a first strainer unit in combination with a second strainer unit. The first strainer unit having a much larger effective area than the second unit whereby, at any given speed the working liquid will pass through the first strainer unit at low velocity and through the second strainer unit at high velocity. The composite unit is provided with a valve means whereby flow access to the first strainer unit may be closed to permit high velocity flow through the second unit only.
    Type: Grant
    Filed: February 7, 1978
    Date of Patent: July 31, 1979
    Assignee: Permutit Company, Inc.
    Inventors: Ralph C. Adams, Arthur C. Epstein, William J. Maroney, Albert B. Mindler